DNS delay on first lookup, Ubuntu 19.10 but not earlier versions

[Chris Green]

On Tue, Mar 31, 2020 at 10:10:44PM +0100, Peter Flynn wrote:
> 
> On 31/03/2020 21:26, Chris Green wrote:
> > I have a small home LAN with dnsmasq running on a Raspberry Pi to
> > provide DHCP and DNS services.  I have two systems running xubuntu 19.10
> > and on these systems I see a 5 second delay the *first* time I look up
> > the address of a local host.  Subsequent lookups are fast
> > but if the system is idle for a long time (I haven't quite fathomed
> > out how long) I see the 5 second delay again.
>
> I've had this many times and always assumed it's my ISP.
> 
> Peter
> 
Well not for LAN lookups, nothing goes outside my LAN in this case.

-- 
Chris Green